ZIP Code 82730 — Upton, WY
82730 is a standard (street delivery) ZIP code serving Upton, Wyoming, in Weston County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 82730 at a glance
| ZIP code | 82730 |
|---|---|
| Primary city | Upton |
| State | Wyoming (WY) |
| County | Weston FIPS 56045 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 1,422 |
| Coordinates | 44.043780, -104.700310 |
How ZIP+4 works in 82730
The four digits after the hyphen encode a delivery segment inside 82730. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 82730 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 82730.
| ZIP | City | Distance |
|---|---|---|
| 82723 | Osage, WY | 14.2 mi |
| 82701 | Newcastle, WY | 26.2 mi |
| 82729 | Sundance, WY | 27 mi |
| 82721 | Moorcroft, WY | 30.5 mi |
| 82727 | Rozet, WY | 31.7 mi |
| 82712 | Beulah, WY | 43.9 mi |
Questions about 82730
What is the ZIP+4 code for 82730?
82730 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 82730, you need to look up a specific street address to get them.
What city is 82730?
82730 is assigned to Upton, Wyoming, in Weston County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.